Firebird Window Regulators, Power, With Motors, 1970-1981

You're driving along one day, minding your own business while basking in the comfort and power of your 1970-1981 Firebird and you try to roll down the window only to hear a horrendous clunking, grinding, and snapping sound. Suddenly, your window ceases to raise and lower and is not responding other than the terrible sounds emanating from the door panel. You may have just become a victim of the all too common window regulator failure. The window regulator is just another name for the scissor channel & gear system that guides the windows path up and down. With time, this system weakens from coagulated grease and dirt build up in the teeth and channels of this system causing it to fail. Occasionally, the added resistance breaks the critical p

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